Home / 1,294,509.80-1,940,727.90-545,940.20

Finding the Fourth Proportional to 1,294,509.80, 1,940,727.90 and 545,940.20

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Solution

The fourth proportional to 1,294,509.80, 1,940,727.90 and 545,940.20 is: 818,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,509.80 : 1,940,727.90 = 545,940.20 : x
  2. Step 2: Convert to fraction form
    1,294,509.80/1,940,727.90 = 545,940.20/x
  3. Step 3: Cross multiply
    1,294,509.80x = 1,940,727.90 × 545,940.20
  4. Step 4: Simplify right side
    1,294,509.80x = 1,059,521,377,871.58
  5. Step 5: Solve for x
    x = 1,059,521,377,871.58/1,294,509.80
  6. Step 6: Final answer
    x = 818,473.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.